
3. I/O Highway
GEM80-400
Page 3-20
ALSPA GEM80-400 SERIES CONTROLLER TECHNICAL MANUAL
Issue 3 04/99
The base address of each 8191 is set by the two DIP switches SW3 and SW4; SW3
gives the least significant digits (see Figure 3.2). The range of the address
'window' is set by the two hexadecimal switches SW1 and SW2, with SW1 giving
the least significant digit (see Figure 3.3).
Expander No.
Base Address
= 151: SW4 = 0000, SW3 = 10010111.
Range
= 29: SW2 = 1, SW1 = D.
Expander No.
Base Address
= 301: SW4 = 0001, SW3 = 00101101.
Range
= 9: SW2 = 0, SW1 = 9.
Expander No.
Base Address
= 560: SW4 = 0010, SW3 = 00110000.
Range
= 15: SW2 = 0, SW1 = F.